ending the war . beginning on 8 august 1918 the offensive included four australian divisions striking at ami ##ens . using the combined arms techniques developed earlier at ham ##el , significant gains were made on what became known as the " black day " of the german army . the offensive continued for four months , and during second battle of the somme the australian corps fought actions at li ##hon ##s , et ##ine ##hem , pro ##yar ##t , chu ##ign ##es , and mont st quentin , before their final engagement of the war on 5 october 1918 at mont ##bre ##hai ##n . the ai ##f was subsequently out of the line when the armistice was declared on 11 november 1918 . in
ending the war. beginning on 8 august 1918 the offensive included four australian divisions striking at amiens. using the combined arms techniques developed earlier at hamel, significant gains were made on what became known as the " black day " of the german army. the offensive continued for four months, and during second battle of the somme the australian corps fought actions at lihons, etinehem, proyart, chuignes, and mont st quentin, before their final engagement of the war on 5 october 1918 at montbrehain. the aif was subsequently out of the line when the armistice was declared on 11 november 1918. in